In a move signaling a deepening ideological rift within Northern California’s political establishment, leaders of the San Francisco Democratic County Central Committee (DCCC) are preparing to formally oppose Proposition 40, breaking ranks with the California Democrat Party.
The statewide measure, known as the Billionaire Tax Act, was narrowly endorsed by the state party’s executive board following an intense debate, setting the stage for an unprecedented local rebellion in one of the nation’s most left-wing strongholds.
To clear the path for this rare divergence, the San Francisco DCCC quietly altered its local bylaws to allow the party committee to take an independent position on statewide ballot initiatives when the state party’s stance conflicts with local priorities.
While state party rules strictly forbid local chapters from endorsing alternative candidates, ballot measures reportedly fall into a procedural loophole, allowing San Francisco leaders to break from the broader party platform.
Proposition 40 would levy a one-time 5% wealth tax on the state’s roughly 200 billionaires, generating an estimated $100 billion primarily designated to backfill projected federal cuts to Medi-Cal, California’s healthcare program for low-income residents, non-citizens and illegal aliens.
Despite the measure’s strong backing from healthcare unions, Senator Bernie Sanders (I-Vt.), and Representative Ro Khanna (D-Calif.), local party leaders in San Francisco have expressed deep skepticism over its economic ramifications.
San Francisco DCCC Chair Nancy Tung and prominent local “moderate” figures argue that the measure poses a severe threat to California’s fragile budget dynamics. Opponents warn that an aggressive targeted tax will accelerate an exodus of high-net-worth individuals and corporate headquarters out of San Francisco and the whole state, ultimately gutting broader income tax revenues.
In taking this stance, the local committee aligns itself with Democrat leaders who also oppose the proposition, including Governor Gavin Newsom (D-Calif.), gubernatorial candidate Xavier Becerra, Mayor Daniel Lurie and organizations like Planned Parenthood.
Meanwhile, the impending vote has notably drawn criticism from more far-left members inside the local committee, who argue that defecting from the state party “undermines Democrat unity” and “shields the ultra-wealthy from contributing to basic social safety nets.”
However, with more moderate members holding a majority on the committee, the local party is widely expected to vote against Proposition 40 ahead of the upcoming election.
Beyond the ideological issues, the potential break carries financial implications for local campaign operations. Aligning against the initiative positions the local party to receive substantial financial support from well-funded anti-tax committees, tech leaders and venture capitalists who are pouring tens of millions of dollars into defeating Proposition 40.